In hydrothermal vent communities, primary productivity is based on:

Name: In hydrothermal vent communities, primary productivity is based on:
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Hydrothermal vent communities are located in the deep ocean and therefore lack sunlight for photosynthesis to occur. Instead, primary productivity is based on chemosynthesis, where bacteria use chemicals in the vent fluid to produce organic compounds that can be utilized by other organisms in the community.

In Hydrothermal Vent Communities, Primary Productivity Is Based On